TABLE 1.
Characteristics of participants in the Malmö Offspring Dental Study in all subjects
| Variables | All |
|---|---|
| n | 922 |
| Age (years) | 44.8 ± 14.2 |
| Sex (women) | 460 (49.9) |
| Fasting plasma glucose (mmol/L) | 5.5 ± 1.0 |
| BMI (kg/m2) | 26.3 ± 4.7 |
| Education | |
| Education ≤12 years | 50 (5.4) |
| Education 12 years | 513 (55.6) |
| Education at university level | 359 (38.9) |
| Smoking habit | |
| Never smoked | 550 (59.7) |
| Current smoker | 99 (10.7) |
| Former smoker | 273 (29.6) |
| Mean years since stopped smoking | 15.7 ± 10.8 |
| CDC/AAP case definition | |
| No or mild periodontitis | 592 (64.2) |
| Moderate periodontitis | 266 (28.9) |
| Severe periodontitis | 64 (6.9) |
| Bleeding on probing | 27.1 ± 18.4 |
| Sites with PPD ≥4 mm | 8.2 ± 11.5 |
| Percentage of teeth with PPD ≥4 mm | 18.6 ± 17.3 |
| Prevalence of ≥2 sites with PPD ≥6 mm | 97 (10.5) |
| Prevalence of ≥2 sites with CAL ≥6 mm | 65 (7) |
Note: Continuous variables are expressed as mean ± SD and categorical variables as number (percentage).
Abbreviations: AAP, American Academy of Periodontology; BMI, body mass index; CAL, clinical attachment loss; CDC, Centers for Disease Control; PPD, probing pocket depth.